Installed rear seat support tubes HF-24 TP (l & r) between HF-25 TP and top of side rails using HB-21 brackets (2), HH-11 and HH-2 bolts and nuts (2 each), HH-21 and HH-4 bolts and nuts (2 each) and HM-14 1/8" rivets as indicated in Inst 16 and Drawing #4, Parts used: HF-24 TP (2), HB-21 (2) HM-14 rivets (24) HH-21 bolts AN3-13A (2) HH-11 bolts AN4-14A (2) HH-2 locknuts (2) HH-4 locknuts (2)